Home / 20,607,427.40-30,914,640.30-11,020,202.60

Finding the Fourth Proportional to 20,607,427.40, 30,914,640.30 and 11,020,202.60

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Solution

The fourth proportional to 20,607,427.40, 30,914,640.30 and 11,020,202.60 is: 16,532,175.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,607,427.40 : 30,914,640.30 = 11,020,202.60 : x
  2. Step 2: Convert to fraction form
    20,607,427.40/30,914,640.30 = 11,020,202.60/x
  3. Step 3: Cross multiply
    20,607,427.40x = 30,914,640.30 × 11,020,202.60
  4. Step 4: Simplify right side
    20,607,427.40x = 340,685,599,412,124.75
  5. Step 5: Solve for x
    x = 340,685,599,412,124.75/20,607,427.40
  6. Step 6: Final answer
    x = 16,532,175.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.